Fix incorrect camelization (#112)

sindresorhus · Aug 9, 2023 · e7dccc9 · e7dccc9
1 parent c9fa59d
commit e7dccc9
Show file tree

Hide file tree

Showing 2 changed files with 6 additions and 2 deletions.
diff --git a/index.js b/index.js
@@ -49,8 +49,8 @@ const postProcess = (input, toUpperCase) => {
  SEPARATORS_AND_IDENTIFIER.lastIndex = 0;
  NUMBERS_AND_IDENTIFIER.lastIndex = 0;
 
- return input.replace(SEPARATORS_AND_IDENTIFIER, (_, identifier) => toUpperCase(identifier))
- .replace(NUMBERS_AND_IDENTIFIER, m => toUpperCase(m));
+ return input.replace(NUMBERS_AND_IDENTIFIER, (match, pattern, offset) => ['_', '-'].includes(input.charAt(offset + match.length)) ? match : toUpperCase(match))
+ .replace(SEPARATORS_AND_IDENTIFIER, (_, identifier) => toUpperCase(identifier));
 };
 
 export default function camelCase(input, options) {

diff --git a/test.js b/test.js
@@ -2,6 +2,9 @@ import test from 'ava';
 import camelCase from './index.js';
 
 test('camelCase', t => {
+ t.is(camelCase('b2b_registration_request'), 'b2bRegistrationRequest');
+ t.is(camelCase('b2b-registration-request'), 'b2bRegistrationRequest');
+ t.is(camelCase('b2b_registration_b2b_request'), 'b2bRegistrationB2bRequest');
  t.is(camelCase('foo'), 'foo');
  t.is(camelCase('IDs'), 'ids');
  t.is(camelCase('FooIDs'), 'fooIds');
@@ -76,6 +79,7 @@ test('camelCase', t => {
 });
 
 test('camelCase with pascalCase option', t => {
+ t.is(camelCase('b2b_registration_request', {pascalCase: true}), 'B2bRegistrationRequest');
  t.is(camelCase('foo', {pascalCase: true}), 'Foo');
  t.is(camelCase('foo-bar', {pascalCase: true}), 'FooBar');
  t.is(camelCase('foo-bar-baz', {pascalCase: true}), 'FooBarBaz');